Epidemiological data from the COVID-19 outbreak, real-time case information

Bo Xu, Bernardo Gutierrez, Sumiko Mekaru, Kara Sewalk, Lauren Goodwin, Alyssa Loskill, Emily L. Cohn, Yulin Hswen, Sarah C. Hill, Maria M. Cobo, Alexander E. Zarebski, Sabrina Li, Chieh-Hsi Wu, Erin Hulland, Julia D. Morgan, Lin Wang, Katelynn O’Brien, Samuel V. Scarpino, John S. Brownstein, Oliver G. Pybus, David M. Pigott & Moritz U. G. Kraemer


Cases of a novel coronavirus were first reported in Wuhan, Hubei province, China, in December 2019 and have since spread across the world. Epidemiological studies have indicated human-to-human transmission in China and elsewhere. To aid the analysis and tracking of the COVID-19 epidemic we collected and curated individual-level data from national, provincial, and municipal health reports, as well as additional information from online reports. All data are geo-coded and, where available, include symptoms, key dates (date of onset, admission, and confirmation), and travel history. The generation of detailed, real-time, and robust data for emerging disease outbreaks is important and can help to generate robust evidence that will support and inform public health decision making.

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